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See Chinese contents: GB/T 20975.30-2019 GB/T 20975.30-2019: Methods for chemical analysis of aluminium and aluminium alloys -- Part 30: Determination of hydrogen content -- Heating extraction-thermal conductivity method
This Part of GB/T 20975 specifies the method for the determination of hydrogen content in solid aluminum and aluminum alloys by heating extraction-thermal conductivity method. This Part applies to the determination of hydrogen content in solid aluminum and aluminum alloys.
